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US Patent: 424,359
Wrench
Patentees:
Louis Schlesinger (exact or similar names) - Chicago, IL
Louis Bowman (exact or similar names) - Chicago, IL

USPTO Classifications:
81/166, 81/177.1

Tool Categories:
wrenches : nut wrenches
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
Capitol Manufacturing Co. - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
Robert Everett
Dennis Sumby
Fred J. Leonard
Chas. H. Gurney
Patent Dates:
Applied: Dec. 31, 1889
Granted: Mar. 25, 1890

Patent Pictures:
Louis Schlesinger and Louis Bowman patent March 25, 1890
USPTO (New site tip)
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Report data errors or omissions to steward Stan Schulz
Description:
Screw adjusting nut wrench assembled from castings that are screwed or riveted together.

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